Postoperative Delirium and Cognitive Dysfunction

Based on observational studies, the overlap and divergence between postoperative delirium and short and long term cognitive dysfunction was examined. The effect of surgery and anesthesia on the brain continues to be not clearly understood.

“Delirium significantly increased the risk of postoperative cognitive dysfunction in the first postoperative month; this relationship did not hold in longer-term follow-up.”

The authors conclude “Postoperative delirium and postoperative cognitive dysfunction may be distinct manifestations of perioperative neurocognitive deficits.”

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